cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A191145 Increasing sequence S generated by these rules: a(1)=1, and if x is in S then both 3x+2 and 4x+3 are in S.

Table of values

n a(n)
1 1
2 5
3 7
4 17
5 23
6 31
7 53
8 71
9 95
10 127
11 161
12 215
13 287
14 383
15 485
16 511
17 647
18 863
19 1151
20 1457
21 1535
22 1943
23 2047
24 2591
25 3455
26 4373
27 4607
28 5831
29 6143
30 7775
31 8191
32 10367
33 13121
34 13823
35 17495
36 18431
37 23327
38 24575
39 31103
40 32767
41 39365
42 41471
43 52487
44 55295
45 69983
46 73727
47 93311
48 98303
49 118097
50 124415
51 131071
52 157463
53 165887

List of values

[1, 5, 7, 17, 23, 31, 53, 71, 95, 127, 161, 215, 287, 383, 485, 511, 647, 863, 1151, 1457, 1535, 1943, 2047, 2591, 3455, 4373, 4607, 5831, 6143, 7775, 8191, 10367, 13121, 13823, 17495, 18431, 23327, 24575, 31103, 32767, 39365, 41471, 52487, 55295, 69983, 73727, 93311, 98303, 118097, 124415, 131071, 157463, 165887]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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